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    • Cycling Equipment
    • Bike Components & Parts
    • Bicycle Stems
    • Aluminum Stems for Mountain Bike 25.4 mm Clamp Diameter

    Aluminum Stems for Mountain Bike 25.4 mm Clamp Diameter

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    Best Selling

    • Nitto Mt-10-80 Quill ATB Bicycle Stem 35 Degree Silver 25.4 X 80mm
      Nitto Mt-10-80 Quill ATB Bicycle Stem 35 Degree Silver 25.4 X 80mm
      5 out of 5 stars (3)Total Ratings 3
      $49.84 New
    • Sunlite Adjustable Bike Stem 25.4mm 110mm Silver Alloy 180mm Quill
      Sunlite Adjustable Bike Stem 25.4mm 110mm Silver Alloy 180mm Quill
      5 out of 5 stars (8)Total Ratings 8
      $24.95 New
    • Sunlite Stem Quill Alloy 2bolt 180x22.2x80sl
      Sunlite Stem Quill Alloy 2bolt 180x22.2x80sl
      4.7 out of 5 stars (6)Total Ratings 6
      $21.41 New
    • EVO E-Tec Stem 28.6mm 60mm ±35° 25.4mm Black
      EVO E-Tec Stem 28.6mm 60mm ±35° 25.4mm Black
      5 out of 5 stars (4)Total Ratings 4
      $24.75 New
    • Profile Design Threadless Stem Conversion 25.4mm to 28.6mm Silver
      Profile Design Threadless Stem Conversion 25.4mm to 28.6mm Silver
      4 out of 5 stars (3)Total Ratings 3
      $19.80 New
    • Sunlite Stem SUNLT Quill ALY 1bolt 180x25.4x80sl
      Sunlite Stem SUNLT Quill ALY 1bolt 180x25.4x80sl
      5 out of 5 stars (1)Total Ratings 1
      $22.43 New
    • Origin8 Classique Sport MTB Quill Stem 85 25.4 Black
      Origin8 Classique Sport MTB Quill Stem 85 25.4 Black
      4.8 out of 5 stars (6)Total Ratings 6
      $25.00 New
    • Handlebar Bar Shim Sunlite Alloy 22.2 25.4 Mm Black 34148 Bicycle Bike
      Handlebar Bar Shim Sunlite Alloy 22.2 25.4 Mm Black 34148 Bicycle Bike
      5 out of 5 stars (2)Total Ratings 2
      $10.41 New
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    1,454 Results

      • Clamp Diameter: 25.4 mm filter applied
      • Material: Aluminum filter applied
      • Compatible Bike Type: Mountain Bike filter applied
      Clear All
      • 25.4 mm filter applied
      • Aluminum filter applied
      • Mountain Bike filter applied
      • 1 1/8 in
      • All Listings filter applied
    • OMNI Racer WORLDS LIGHTEST Stem Shim 1" steerer to 1 1/8" fork 28.6-25.4mm BLACK
      SPONSORED

      OMNI Racer WORLDS LIGHTEST Stem Shim 1" steerer to 1 1/8" fork 28.6-25.4mm BLACK

      $10.95
      Free shipping
    • OMNI Racer WORLDS LIGHTEST Stem Shim 1" steerer to 1 1/8" fork 28.6-25.4mm SILV
      SPONSORED

      OMNI Racer WORLDS LIGHTEST Stem Shim 1" steerer to 1 1/8" fork 28.6-25.4mm SILV

      $11.95
      Free shipping
    • MTB Bike Bicycle Handle Bar Lamp Phone Extender Mount Extension Bracket Holder
      SPONSORED

      MTB Bike Bicycle Handle Bar Lamp Phone Extender Mount Extension Bracket Holder

      $11.99 to $18.99
      5 watching
    • ZTTO Adjustable Stem MTB Road Bike Bicycle Handlebar Stem 60° 31.8* 90/110/130mm
      SPONSORED

      ZTTO Adjustable Stem MTB Road Bike Bicycle Handlebar Stem 60° 31.8* 90/110/130mm

      $28.68 to $31.28
      Was: $31.87
      Free shipping
      9 sold
    • EVO E-Tec Threadless Bicycle Stem - Black - 25.4mm x 60mm x +/- 35 Degrees

      EVO E-Tec Threadless Bicycle Stem - Black - 25.4mm x 60mm x +/- 35 Degrees

      5 out of 5 stars (4)4 product ratings - EVO E-Tec Threadless Bicycle Stem - Black - 25.4mm x 60mm x +/- 35 Degrees
      $24.83
      16 watching
    • Vintage Salsa Stem 45 or 50 mm reach 22.2 mm Quill stem. 25.4 handlebar.

      Vintage Salsa Stem 45 or 50 mm reach 22.2 mm Quill stem. 25.4 handlebar.

      $80.00
      0 bids
      or Buy It Now
      Ending May 22 at 7:00PM PDT5d 16h
    • Control Tech Stem Quill 1"

      Control Tech Stem Quill 1"

      $15.00
      0 bids
      $10.00 shipping
      Ending Thursday at 7:59PM PDT2d 17h
      or Best Offer
    • BICYCLE BIKE ADJUSTABLE QUILL STEM 110mm 1 1/8" 25.4mm

      BICYCLE BIKE ADJUSTABLE QUILL STEM 110mm 1 1/8" 25.4mm

      5 out of 5 stars (8)8 product ratings - BICYCLE BIKE ADJUSTABLE QUILL STEM 110mm 1 1/8" 25.4mm
      $24.95
    • SUNLITE Alloy 2-Bolt Bike Stem Road Quill 80mm 25° Rise 25.4mm Bar 22.2mm Fork

      SUNLITE Alloy 2-Bolt Bike Stem Road Quill 80mm 25° Rise 25.4mm Bar 22.2mm Fork

      4.5 out of 5 stars (6)6 product ratings - SUNLITE Alloy 2-Bolt Bike Stem Road Quill 80mm 25° Rise 25.4mm Bar 22.2mm Fork
      $21.41
      Was: $21.99
      Free shipping
      25 watching
    • Thomson Elite Stem 1 1/8 steerer 25.4mm x 5° x 100mm SM-E101

      Thomson Elite Stem 1 1/8 steerer 25.4mm x 5° x 100mm SM-E101

      $55.00
      0 bids
      $11.60 shipping
      Ending Wednesday at 8:59PM PDT1d 18h
      or Buy It Now
    • QBest Quill to A-Head Stem Adaptor 22.2mm ( 1") Theaded to Threadless converter

      QBest Quill to A-Head Stem Adaptor 22.2mm ( 1") Theaded to Threadless converter

      $17.90
    • Vintage Specialized Aluminum A1 Stem 110mm, 25.4mm clamp, 1 1/8" Threadless, VGC

      Vintage Specialized Aluminum A1 Stem 110mm, 25.4mm clamp, 1 1/8" Threadless, VGC

      $35.00
      or Best Offer
    • Origin8 Fix8 Stem BMX Threadless 25.4 mm 50 mm 0° Black

      Origin8 Fix8 Stem BMX Threadless 25.4 mm 50 mm 0° Black

      5 out of 5 stars (1)1 product ratings - Origin8 Fix8 Stem BMX Threadless 25.4 mm 50 mm 0° Black
      $41.39
      Was: $48.99
    • ZTTO Adjustable Stem MTB Road Bike Bicycle Handlebar Stem 60° 31.8* 90/110/130mm
      SPONSORED

      ZTTO Adjustable Stem MTB Road Bike Bicycle Handlebar Stem 60° 31.8* 90/110/130mm

      $18.89
      Was: $20.99
      Free shipping
    • 90s Vintage Silver Trek System 2 Stem 1 1/8" Treadless 110mm 7ºRise 25.4"
      SPONSORED

      90s Vintage Silver Trek System 2 Stem 1 1/8" Treadless 110mm 7ºRise 25.4"

      $36.29
      Was: $99.99
      or Best Offer
      Only 1 left!
    • Rare Long Vintage 90's  Silver  Zoom 150mm 1" Threadless 10ºRise 25.4mm Stem
      SPONSORED

      Rare Long Vintage 90's Silver Zoom 150mm 1" Threadless 10ºRise 25.4mm Stem

      $36.29
      Was: $99.99
      or Best Offer
      20 watching
    • Origin8 Classique Sport MTB Quill Stem Mountain Quill 85 mm 25.4 mm 30°

      Origin8 Classique Sport MTB Quill Stem Mountain Quill 85 mm 25.4 mm 30°

      5 out of 5 stars (2)2 product ratings - Origin8 Classique Sport MTB Quill Stem Mountain Quill 85 mm 25.4 mm 30°
      $27.02
      Was: $30.99
    • Bontrager Stem 80(?) mm 1 1/8 in Threadless 25.4 mm Black Road MTB

      Bontrager Stem 80(?) mm 1 1/8 in Threadless 25.4 mm Black Road MTB

      $19.99
      $7.75 shipping
      or Best Offer
    • Specialized High Low 1-1/8 Threaded Quill Stem adapter

      Specialized High Low 1-1/8 Threaded Quill Stem adapter

      $20.00
      $9.65 shipping
    • Vintage Azonic ORC Mountain Bike Stem 135mm, 25.4mm Clamp, 5* rise O.R.C.

      Vintage Azonic ORC Mountain Bike Stem 135mm, 25.4mm Clamp, 5* rise O.R.C.

      $25.00
      $7.00 shipping
    • 1*Short Aluminum bar Stems 25.4/31.8 MTB Road XC Bike Handlebar stem 38/60mm

      1*Short Aluminum bar Stems 25.4/31.8 MTB Road XC Bike Handlebar stem 38/60mm

      $8.86 to $9.50
      $1.99 shipping
    • Nitto MT-10 long quill stem, (25.4) 35d x 80 sil

      Nitto MT-10 long quill stem, (25.4) 35d x 80 sil

      5 out of 5 stars (3)3 product ratings - Nitto MT-10 long quill stem, (25.4) 35d x 80 sil
      $50.99
      Free shipping
    • Suntour MS-1400, XC MTB Quill Stem 85mm 1" x 25.4mm Vintage Mountain Bike Silver

      Suntour MS-1400, XC MTB Quill Stem 85mm 1" x 25.4mm Vintage Mountain Bike Silver

      $30.00
      $9.50 shipping
    • Syncros Cattleprod Threadless Stem 130mm Vintage MTB 25.4 Clamp 1-1/8” Steerer

      Syncros Cattleprod Threadless Stem 130mm Vintage MTB 25.4 Clamp 1-1/8” Steerer

      $75.00
      $8.50 shipping
    • Kalloy Hi Rise Uno Ultralite Black Threadless Handlebar Stem 1 1/8 130 25.4

      Kalloy Hi Rise Uno Ultralite Black Threadless Handlebar Stem 1 1/8 130 25.4

      $19.95
    • SUNLITE TCO Piston 2-Bolt Clamp Road 22.2 dia. (1") Quill 40mm Length 40° Rise 2

      SUNLITE TCO Piston 2-Bolt Clamp Road 22.2 dia. (1") Quill 40mm Length 40° Rise 2

      5 out of 5 stars (13)13 product ratings - SUNLITE TCO Piston 2-Bolt Clamp Road 22.2 dia. (1") Quill 40mm Length 40° Rise 2
      $20.39
      Was: $20.99
      Free shipping
      Only 1 left!
    • Koski Engineering - MTB stem - 135mm 25.4mm 1 1/8" Mountain Bike Rare Retro NICE

      Koski Engineering - MTB stem - 135mm 25.4mm 1 1/8" Mountain Bike Rare Retro NICE

      $10.00
      0 bids
      $13.00 shipping
      Ending Today at 3:50PM PDT12h 56m
    • AHeadset Aluminum Bike Stem 1" or 1 1/8" 130mm X 25.4 Threadless 7 D Rise

      AHeadset Aluminum Bike Stem 1" or 1 1/8" 130mm X 25.4 Threadless 7 D Rise

      $12.50
    •  Vintage 90's Black Trek Cromoly 120mm 25.4mmm -17ºRise 1 1/8 inch Quill Stem
      SPONSORED

      Vintage 90's Black Trek Cromoly 120mm 25.4mmm -17ºRise 1 1/8 inch Quill Stem

      $44.59
      Was: $99.99
      or Best Offer
      Only 1 left!
    • Nuke Proof Stem 1 1/8 Vintage MTB 135 mm Threadless 25.4 mm 90s Rare Mountain
      SPONSORED

      Nuke Proof Stem 1 1/8 Vintage MTB 135 mm Threadless 25.4 mm 90s Rare Mountain

      $220.99
      Was: $259.99
      $4.99 shipping
      or Best Offer
    • Aluminum Vintage Road City Urban Bike Riser Bar 25.4*600 Handlebar Stem 60mm 15°
      SPONSORED

      Aluminum Vintage Road City Urban Bike Riser Bar 25.4*600 Handlebar Stem 60mm 15°

      $28.88
    • Threadless Stem 1-1/8" X 90MM 7D 25.4 Black Alloy Touring Road Cross MTB Charity
      SPONSORED

      Threadless Stem 1-1/8" X 90MM 7D 25.4 Black Alloy Touring Road Cross MTB Charity

      $31.31
      Was: $49.99
      or Best Offer
    • Vintage Profile Design BOA Stem 105mm, 40 Degree, 25.4mm, 1 1/8" Threadless H001

      Vintage Profile Design BOA Stem 105mm, 40 Degree, 25.4mm, 1 1/8" Threadless H001

      $29.95
      $5.99 shipping
      or Best Offer
    • Vintage Balance RID Rider Integrated Design Mountain Bike Stem 1 1/8" 130mm 25.4

      Vintage Balance RID Rider Integrated Design Mountain Bike Stem 1 1/8" 130mm 25.4

      $14.00
      $6.15 shipping
    • ULTRACYCLE 2-Bolt Alloy Quill 25.4mm Stem 80mm 1-1/8 Black

      ULTRACYCLE 2-Bolt Alloy Quill 25.4mm Stem 80mm 1-1/8 Black

      $25.29
      Was: $28.10
      Free shipping
      12 watching
    • Vintage Specialized Bicycle Stem MTB Mountain Race Road 1 1/8 31.8/25.4 110mm

      Vintage Specialized Bicycle Stem MTB Mountain Race Road 1 1/8 31.8/25.4 110mm

      $25.00
      or Best Offer
    • New Uno MTB Bicycle Bike Quill Stem 28.6 150mm 12° Bore 25.4mm Blue

      New Uno MTB Bicycle Bike Quill Stem 28.6 150mm 12° Bore 25.4mm Blue

      $12.49
    • SUNLITE BLACK 25.4mm clamp  25.4mm X 80mm Quill STEM THREAD BIKE FORK FOR 1 1/8"

      SUNLITE BLACK 25.4mm clamp 25.4mm X 80mm Quill STEM THREAD BIKE FORK FOR 1 1/8"

      $21.09
    • Vintage 90'S Rare Silver Modolo 100mm 25.4mm -17ºRise 22.2mm Quill Stem Charity!
      SPONSORED

      Vintage 90'S Rare Silver Modolo 100mm 25.4mm -17ºRise 22.2mm Quill Stem Charity!

      $58.06
      Was: $99.99
      or Best Offer
    • Vintage 90's Black Bontrager 110mm 25.4mmm 17ºRise 22.2mm Quill Stem Charity!
      SPONSORED

      Vintage 90's Black Bontrager 110mm 25.4mmm 17ºRise 22.2mm Quill Stem Charity!

      $36.29
      Was: $99.99
      or Best Offer
      Only 1 left!
    • Nitto MT-10 Stem Mountain Quill 100 mm 25.4 mm 35°

      Nitto MT-10 Stem Mountain Quill 100 mm 25.4 mm 35°

      $57.88
      Was: $62.99
    • NOS Suntour XC Quill Stem with 25.4 mm clamp - Model: MS-1500

      NOS Suntour XC Quill Stem with 25.4 mm clamp - Model: MS-1500

      $75.00
      $9.45 shipping
    • Retro Control Tech MTB Quill Stem 1 1/8” 105mm 25.4 Black USA Made

      Retro Control Tech MTB Quill Stem 1 1/8” 105mm 25.4 Black USA Made

      $74.99
    • MOUNTAIN BICYCLE ADJUSTABLE QUILL STEM 22.2mm 110mm NEW

      MOUNTAIN BICYCLE ADJUSTABLE QUILL STEM 22.2mm 110mm NEW

      5 out of 5 stars (4)4 product ratings - MOUNTAIN BICYCLE ADJUSTABLE QUILL STEM 22.2mm 110mm NEW
      $25.95
    • EVO E-Tec Threadless Bicycle Stem - Black - 25.4mm x 90mm x +/- 7 Degrees

      EVO E-Tec Threadless Bicycle Stem - Black - 25.4mm x 90mm x +/- 7 Degrees

      5 out of 5 stars (1)1 product ratings - EVO E-Tec Threadless Bicycle Stem - Black - 25.4mm x 90mm x +/- 7 Degrees
      $22.83
    • Vintage Thomson Elite MTB Stem 5 degrees 130 x 25.4mm Black SM-E104 Threadless

      Vintage Thomson Elite MTB Stem 5 degrees 130 x 25.4mm Black SM-E104 Threadless

      $42.00
      0 bids
      $11.60 shipping
      Ending Saturday at 2:28PM PDT4d 11h
      or Best Offer
    • New Uno MTB Bicycle Bike Adjustable Quill Stem 22.2 x 90mm Bore 25.4 Silver

      New Uno MTB Bicycle Bike Adjustable Quill Stem 22.2 x 90mm Bore 25.4 Silver

      $24.99
    • Vintage World Force Shorty CNC Aluminum Downhill Stem 1 1/8 50mm 25.4 1990s

      Vintage World Force Shorty CNC Aluminum Downhill Stem 1 1/8 50mm 25.4 1990s

      $69.99
      $7.75 shipping
      or Best Offer

    Results Pagination - Page 1

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    Top Rated

    See All- Top Rated
    • Sunlite TCO Piston Handlebar Stem 40mm Extension 40-degree Silver 58
      Sunlite TCO Piston Handlebar Stem 40mm Extension 40-degree Silver 58
      4.9 out of 5 stars (13)Total Ratings 13
      100% agree - Good value
      $20.34 New
    • Origin8 Classic Sport Quill Stem 60 25.4 SIL Ano.
      Origin8 Classic Sport Quill Stem 60 25.4 SIL Ano.
      5 out of 5 stars (6)Total Ratings 6
      100% agree - Would recommend
      $12.95 New
    • Origin8 Classique Sport MTB Quill Stem 85 25.4 Black
      Origin8 Classique Sport MTB Quill Stem 85 25.4 Black
      4.8 out of 5 stars (6)Total Ratings 6
      100% agree - Would recommend
      $25.00 New
    • Sunlite TCO Piston 2-bolt Clamp Quill Stem Black 58337 072774583379
      Sunlite TCO Piston 2-bolt Clamp Quill Stem Black 58337 072774583379
      4.4 out of 5 stars (10)Total Ratings 10
      100% agree - Would recommend
      $20.34 New
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